| Patent Number |
Title Of Patent |
Date Issued |
| RE38615 |
System and method for decreasing ratio changing time in electronically enhanced powertrain syste |
October 12, 2004 |
| A system and method for decreasing the time required to complete a ratio change in an electronically enhanced powertrain system is provided. The powertrain system includes a number of devices for providing a retarding torque to engine rotation to increase the decay rate of the engine spe |
| 7367415 |
Hybrid electric vehicle engine start technique |
May 6, 2008 |
| A hybrid powertrain system includes a first prime mover having an output, a second prime mover having an output, a synchronizing clutch selectively coupling the first prime mover output and the second prime mover output, a multi-ratio transmission having an input, and a planetary gear se |
| 7125362 |
Hybrid powertrain system including smooth shifting automated transmission |
October 24, 2006 |
| A powertrain system is provided that includes a prime mover and a change-gear transmission having an input, at least two gear ratios, and an output. The powertrain system also includes a power shunt configured to route power applied to the transmission by one of the input and the out |
| 5957257 |
Self-energizing synchronizer including force limiting |
September 28, 1999 |
| A pin-type, double acting synchronizer (18) with friction clutches (22,36 and 24,38), jaw clutches (26,30 and 28,31), a shift flange (32), self-energizing ramps (21a-21d) affixed to a shaft (12), and self-energizing ramps (45a-45d) affixed to a self-energizer member (34). Engagement |
| 5901824 |
Synchronizer including radially-moveable self-energizing member |
May 11, 1999 |
| A pin-type, double-acting synchronizer (10) with friction rings (22, 36 and 24, 38), jaw members (30, 26, 28), three circumferentially spaced pins (40) including blocker shoulders for preventing asynchronous engagement of the jaw members, pre-energizer assemblies (42) to ensure initial |
| 5901823 |
Synchronizer including radially-moveable, resiliently-biased self-energizing member |
May 11, 1999 |
| A pin-type, double-acting synchronizer (10) with friction rings (22, 36 and 24, 38), jaw members (30, 26, 28), three circumferentially spaced pins (40)including blocker shoulders for preventing asynchronous engagement of the jaw members, pre-energizer assemblies (42) to ensure initial |
| 5842376 |
System and method for decreasing ratio changing time by actuating inertia brake while the master |
December 1, 1998 |
| A system and method for decreasing the time required to complete a ratio change in an electronically enhanced powertrain system is provided. The powertrain system includes a number of devices for providing a retarding torque to engine rotation to increase the decay rate of the engine spe |
| 5655407 |
System and method for decreasing ratio changing time in electronically enhanced powertrain syste |
August 12, 1997 |
| A system and method for decreasing the time required to complete a ratio change in an electronically enhanced powertrain system is provided. The powertrain system includes a number of devices for providing a retarding torque to engine rotation to increase the decay rate of the engine spe |
| 5560249 |
Power synchronizer for a compound transmission |
October 1, 1996 |
| An apparatus for controlling the rotational speed of an input shaft of a motor vehicle transmission such as a compound heavy duty transmission to achieve synchronous during a ratio change includes a variable speed motor having a motor shaft operably engaged with an input shaft of the |
| 5460060 |
Transmission shifting mechanism with spring loaded ball screw |
October 24, 1995 |
| A transmission shifting system for axially displacing a shift fork in response to an electrical signal using a ball ramp actuator to load a spring disposed between the ball ramp actuator and the shift fork where an electrical coil is energized to induce an electromagnetic field in a driv |
| 5456344 |
Self-adjusting clutch and input shaft brake actuator |
October 10, 1995 |
| A self-adjusting clutch and input shaft brake actuator system is provided for consistent actuation of the input shaft brake after complete disengagement of the master clutch. A dual piston arrangement is fluidly coupled and includes an oil bypass path for adjusting the fluid coupling |
| 5425437 |
Synchronizer with self-energizing |
June 20, 1995 |
| A baulkring-type synchronizer (18) includes cone clutch friction surfaces (24,48 and 26,50) and jaw clutch teeth (36b,28 and 36c,30) for frictionally synchronizing and positive connecting gears (14,16) to a shaft (12). A torque ring (63) is mounted in a shift sleeve (34) for limited |
